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Finding the Third Proportional to 51,814 and 80,011

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Solution

The third proportional to 51,814 and 80,011 is: 123,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,814 : 80,011 = 80,011 : x
  2. Step 2: Convert to fraction form
    51,814/80,011 = 80,011/x
  3. Step 3: Cross multiply
    51,814x = 80,011 × 80,011
  4. Step 4: Simplify right side
    51,814x = 6,401,760,121
  5. Step 5: Solve for x
    x = 6,401,760,121/51,814
  6. Step 6: Final answer
    x = 123,552.71

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.